COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Bombardier (Canadair) CL-600 (Challenger) Series Aeroplanes
AIRWORTHINESS DIRECTIVE
For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/CL-600/37 and issues the following AD under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.
AD/CL-600/37
Amdt 1
Flight Spoiler Centre Hinge Fitting 5/2001
Applicability: Model CL-600-2B19 “Regional Jet” aircraft, serial numbers 7003 through 7340. Requirement: Inspect in accordance with Transport Canada AD CF-2000-15 R1.
Note 1: Bombardier Alert Service Bulletin (ASB) A601R-57-O27 Revision C refers.
Note 2: Installation of redesigned flight spoilers part number 600-10602-73 and -74 provides terminating action to the inspection requirements of Parts A and B of the Requirement document.
Compliance: As specified in the Requirement document for the initial and repeat inspection requirements, and eventual replacement requirement; with a revised effective date of 17 May 2001.
Note: Compliance with previous versions of ASB A601R-57-027 - original issue, Revision A, or Revision B - also meet the requirements of paragraph A.1 of the Requirement document.
This amendment becomes effective on 17 May 2001.
Background: Transport Canada received reports of four cases of uncommanded deployment of a flight spoiler due to fracture of the actuator lug on one of the centre hinge fittings of the left or right flight spoiler. In each case a status message was posted and the flight crew landed the aircraft safely.
Amendment 1 is issued in response to a revision of the Requirement document which lowers the threshold for inspection of the flight spoiler lug to 3,000 flight cycles.
COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
The original issue of this Airworthiness Directive became effective on 5 October 2000.
David Alan Villiers
Delegate of the Civil Aviation Safety Authority 2 April 2001
The above AD is notified in the Commonwealth of Australia Gazette on 18 April 2001.
Overview
The Civil Aviation Regulations 1998 (CAR 1998) were enacted to ensure the safety and efficiency of civil aviation in Australia. Part 39, which includes Airworthiness Directives, addresses specific safety concerns and mandates corrective actions for particular aircraft models. The Airworthiness Directive (AD) for Bombardier (Canadair) CL-600 (Challenger) Series Aeroplanes, specifically for the flight spoiler centre hinge fitting, was introduced to address the problem of uncommanded deployment of a flight spoiler due to fracture of the actuator lug on one of the centre hinge fittings. This AD was issued by the Civil Aviation Safety Authority (CASA) to rectify the unsafe condition identified, ensuring the continued airworthiness of the affected aircraft models within the specified serial number range. The policy objective is to maintain the highest safety standards in civil aviation by mandating specific maintenance and inspection requirements for identified safety issues.
Scope and Application
The Civil Aviation Regulations 1998 (CAR 1998), specifically Part 39 - 105, governs the airworthiness directives under the oversight of the Civil Aviation Safety Authority (CASA). This legislative instrument mandates that certain safety measures must be adhered to by operators of the Bombardier (Canadair) CL-600 (Challenger) Series Aeroplanes, particularly for the CL-600-2B19 “Regional Jet” aircraft with serial numbers ranging from 7003 to 7340. The directive applies to the maintenance and operational standards of these aircraft within the Commonwealth of Australia, ensuring that they comply with the safety requirements set out in the AD/CL-600/37. The directive is triggered by the need to address an unsafe condition identified with the flight spoiler centre hinge fitting, necessitating inspections in accordance with Transport Canada AD CF-2000-15 R1. Compliance with this AD is mandatory and must be achieved within the timeframes specified in the requirement document, with a revised effective date of 17 May 2001, marking the point at which operators must ensure their aircraft meet the stipulated safety measures. The AD also acknowledges that compliance with earlier versions of the Bombardier Alert Service Bulletin (ASB) A601R-57-O27 can meet the requirements, thereby providing some flexibility in implementation.
Key Provisions
The key provisions of this Airworthiness Directive (AD) are set out under the Civil Aviation Regulations 1998, specifically in Part 39 - 105. The directive mandates that owners and operators of Bombardier (Canadair) CL-600 (Challenger) Series Aeroplanes, specifically model CL-600-2B19 “Regional Jet” aircraft with serial numbers ranging from 7003 to 7340, must conduct an inspection of the flight spoiler centre hinge fittings. This inspection must be performed in accordance with the instructions outlined in Transport Canada AD CF-2000-15 R1 (section 5/2001). The AD also references Bombardier Alert Service Bulletin (ASB) A601R-57-O27 Revision C, which is relevant to the inspection process.
The AD imposes specific obligations on aircraft operators. Firstly, they must ensure that the inspection of the flight spoiler centre hinge fittings is conducted as per the Transport Canada directive. This inspection is essential for identifying any potential issues that could lead to uncommanded deployment of the flight spoilers. Operators must also adhere to the compliance schedule detailed in the requirement document, which specifies the timing for initial and repeat inspections, as well as the eventual replacement of any defective parts.
Failure to comply with the AD may result in significant legal and safety consequences. While the specific penalties for non-compliance are not detailed in the text, such breaches could potentially lead to enforcement actions by the Civil Aviation Safety Authority (CASA). These actions might include fines, mandatory corrective actions, or even grounding of the aircraft until compliance is achieved. The AD's purpose is to ensure the continued airworthiness and safety of the affected aircraft, and any failure to adhere to its requirements could compromise these safety standards.